ought to denigrate
Regular verb: denigrate - denigrated- denigrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to denigrate
you ought to denigrate
he ought to denigrate
we ought to denigrate
you ought to denigrate
they ought to denigrate 	I ought to be denigrating
you ought to be denigrating
he ought to be denigrating
we ought to be denigrating
you ought to be denigrating
they ought to be denigrating	I ought to have denigrated
you ought to have denigrated
he ought to have denigrated
we ought to have denigrated
you ought to have denigrated
they ought to have denigrated	I ought to have been denigrating
you ought to have been denigrating
he ought to have been denigrating
we ought to have been denigrating
you ought to have been denigrating
they ought to have been denigrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to denigrate
you oughtn't to denigrate
he oughtn't to denigrate
we oughtn't to denigrate
you oughtn't to denigrate
they oughtn't to denigrate 	I oughtn't to be denigrating
you oughtn't to be denigrating
he oughtn't to be denigrating
we oughtn't to be denigrating
you oughtn't to be denigrating
they oughtn't to be denigrating	I oughtn't to have denigrated
you oughtn't to have denigrated
he oughtn't to have denigrated
we oughtn't to have denigrated
you oughtn't to have denigrated
they oughtn't to have denigrated	I oughtn't to have been denigrating
you oughtn't to have been denigrating
he oughtn't to have been denigrating
we oughtn't to have been denigrating
you oughtn't to have been denigrating
they oughtn't to have been denigrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I denigrate?
ought to you denigrate?
ought to he denigrate?
ought to we denigrate?
ought to you denigrate?
ought to they denigrate? 	ought to I be denigrating?
ought to you be denigrating?
ought to he be denigrating?
ought to we be denigrating?
ought to you be denigrating?
ought to they be denigrating? 	ought to I have denigrated?
ought to you have denigrated?
ought to he have denigrated?
ought to we have denigrated?
ought to you have denigrated?
ought to they have denigrated? 	ought to I have been denigrating?
ought to you have been denigrating?
ought to he have been denigrating?
ought to we have been denigrating?
ought to you have been denigrating?
ought to they have been denigrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to denigrate?
oughtn't you to denigrate?
oughtn't he to denigrate?
oughtn't we to denigrate?
oughtn't you to denigrate?
oughtn't they to denigrate? 	oughtn't I to be denigrating?
oughtn't you to be denigrating?
oughtn't he to be denigrating?
oughtn't we to be denigrating?
oughtn't you to be denigrating?
oughtn't they to be denigrating? 	oughtn't I to have denigrated?
oughtn't you to have denigrated?
oughtn't he to have denigrated?
oughtn't we to have denigrated?
oughtn't you to have denigrated?
oughtn't they to have denigrated? 	oughtn't I to have been denigrating?
oughtn't you to have been denigrating?
oughtn't he to have been denigrating?
oughtn't we to have been denigrating?
oughtn't you to have been denigrating?
oughtn't they to have been denigrating?